Bug#1124041: cccl: Please upgrade build-dep to llvm/clang 21

[Adrian Bunk]

On Fri, Dec 26, 2025 at 12:51:24AM +0100, Sylvestre Ledru wrote:
> Source: cccl
> Severity: important
> 
> Dear Maintainer,
> 
> We would like to remove llvm-toolchain-19 from the archive.
> Please update to 21.
>...

Where is lit actually used in cccl?

It looks easy to switch to unversioned llvm-tools and /usr/bin/llvm-lit,
but it's not clear to me how to test that this works.

cu
Adrian